Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof withgraphical user interface showing my new design; and,

FIG. 2 is the front view of FIG. 1, shown with alternative environmentin broken lines.

The dashed broken line perimeter in the drawings illustrates a displayscreen or portion thereof and forms no part of the claimed design. Theremaining dashed broken lines in the drawings illustrate features of thegraphical user interface that form no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withgraphical user interface, as shown and described.